Sir,
I double checked in the old LabWindows manual to make sure we had this function, and it seems we did have it back then. I think you want the MakeDir() function. The input is the new directory name. The return value is the result of the operation. An example would be making a directory named \Data\Waveform on drive C assuming C:\Data already exists. This would be for a C compiler as well:
result = MakeDir ("C:\\Data\\Waveform");
Daniel McChane
Application Engineer
National Instruments
